Start aligning BackgroundFetchRequestInfo with the passed in request object.

content/browser/background_fetch/background_fetch_data_manager_unittest.cc

Index: content/browser/background_fetch/background_fetch_data_manager_unittest.cc
diff --git a/content/browser/background_fetch/background_fetch_data_manager_unittest.cc b/content/browser/background_fetch/background_fetch_data_manager_unittest.cc
index 155bea3bc70f96f0bd42d3c5ddec8a62c4e20342..3e5faaacfb13d18294534b70c724cf0e45bf2557 100644
--- a/content/browser/background_fetch/background_fetch_data_manager_unittest.cc
+++ b/content/browser/background_fetch/background_fetch_data_manager_unittest.cc
@@ -46,12 +46,15 @@ class BackgroundFetchDataManagerTest : public ::testing::Test {
     // Create |num_requests| BackgroundFetchRequestInfo's.
     std::vector<std::unique_ptr<BackgroundFetchRequestInfo>> request_infos;
     for (int i = 0; i < num_requests; i++) {
+      ServiceWorkerHeaderMap headers;
+      ServiceWorkerFetchRequest request(GURL(kResource), "GET", headers,
+                                        Referrer(), false /* is_reload */);
       request_infos.push_back(
-          base::MakeUnique<BackgroundFetchRequestInfo>(GURL(kResource), kTag));
+          base::MakeUnique<BackgroundFetchRequestInfo>(request));
     }
     std::unique_ptr<BackgroundFetchJobInfo> job_info =
         base::MakeUnique<BackgroundFetchJobInfo>(
-            "tag", url::Origin(GURL(kJobOrigin)), kServiceWorkerRegistrationId);
+            kTag, url::Origin(GURL(kJobOrigin)), kServiceWorkerRegistrationId);
     job_guid_ = job_info->guid();
     background_fetch_data_manager_->CreateRequest(std::move(job_info),
                                                   std::move(request_infos));
@@ -112,7 +115,6 @@ TEST_F(BackgroundFetchDataManagerTest, CompleteJob) {
     const BackgroundFetchRequestInfo& request_info =
         data_manager->GetNextBackgroundFetchRequestInfo(job_guid());
     request_guids.push_back(request_info.guid());
-    EXPECT_EQ(request_info.tag(), kTag);
     EXPECT_EQ(request_info.state(),
               DownloadItem::DownloadState::MAX_DOWNLOAD_STATE);
     EXPECT_EQ(request_info.interrupt_reason(),